William Collis Logo
William Collis Book Cover
In a world without death, an assassin is born.
With echoes of Mist Born and She Who Became the Sun, Eternity’s Blade is an action-packed fantasy debut chronicling an assassin’s rise to power in a world of immortals.
Hero Divider
Rich, complex, and tough – this is epic fantasy that will appeal to everyone.
⸺ Lee Child, #1 New York Times best-selling author
Unique and spellbinding…quite possibly the next Game of Thrones!
⸺ Peter Olson, former CEO of Penguin Random House
Trailer
All Books
About the author
William Collis
William Collis graduated from Amherst and Harvard. The co-founder of the esports pro team OXG, he previously authored The Book of Esports, whose TED talk gathered over 1.5 million views.
Eternity’s Blade combines his love of action-packed fantasy with a lifelong passion for Japanese history. He has been featured in the Japan Times and various Japan-related TV programs, including as a Tale of Genji scholar.
2025 William Collis. All rights Reserved. Eternity’s Blade, The Book of Esports, The Official Book of Esports™, The Official History of Esports™, The Official Textbook of Esports™, and related marks are the sole property of COLLIS INSIGHTS, LLC.
Design & Development by Nifty